[The polysulfide construction sealant] Hengshui Longsheng 
 Most are synthetic adhesive sealant for building, its subject is a polymer, its properties can be divided into three categories: body, nature, process, nature and use of nature (product performance). Ontological nature depends on the chemical and physical structure of the host polymer sealant, can be accurately repeated measure out. The process nature of the performance of the relevant features of the sealant in the manufacturing process. Nature of use (performance) is self-evident mainly refers to the formation of the comprehensive performance of the cement joint sealant in the process of formation of cementation, the performance depends on the requirements of the construction joint sealant function. Both for the renovation of the building envelope or building interior decoration; window structure or other forms of enclosure and decorative structures, can be seen as modules, each unit will produce joints, the vast majority of requires building sealant to seal the filling. The rational design of construction joints, awareness, understanding of the construction sealant and seal the correct construction of a reasonable selection and construction is essential to ensure the success of construction joints sealed 
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 Hengshui the Longsheng Engineering Rubber Co., Ltd. Rubber City is located in Hengshui City, very convenient traffic conditions, Hengshui the Longsheng Engineering Rubber Co., Ltd. specializing in the production of rubber water-stop the waterstops series, water expansion of the seal, bridge expansion joints, two-component polysulfide sealant . Set of technology development, production and operation in one, until the water, drainage, bridge engineering, high-tech, high-quality engineering rubber accessory products. The products are widely used in underground facilities, tunnel and culverts, water aqueducts, dams, liquid storage structures, storage tank, sedimentation tank, subway, highways, railways and so on. Produced rubber water-stop, water expansion of the seal, the two-component polysulfide sealant, expansion joints, bridge bearings and other products has been the Beijing-Tibet high-speed, Wuhan airport viaduct rail Guangzhou, Zhuzhou Civic Center water diversion project, the Beijing Subway Line on the 8th, the underground part of the Guangzhou Asian Games main stadium, Nanjing, Inner Ring Road tunnels and other major projects, has won a wide range of social praise.